/*
 *  Copyright 2008-2010 www.jrails.org
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.rails.core.db.table;

import org.rails.core.model.ActiveRecord;

public class UUID extends AttributeMap {

	private String pk;
	
	public UUID(ActiveRecord record){
		super(record);
		pk = record.getTable().getPrimaryKey();
	}

	@Override
	public Object getMapping(String attribute) {
		if(attribute.equals(pk))
			record.put(pk,java.util.UUID.randomUUID().toString());
		
		return ":" + attribute;		
	}

}
